Version 4.1.2

system/Task/Task.php

@@ -205,7 +205,10 @@ class _Task extends \IPS\Patterns\ActiveRecord
 		if ( $this->running )
 		{
 			$this->running = FALSE;
-			$this->lock_count++;
+			if ( $this->lock_count < 3 ) // Allowing this to grow infinitely will eventually overflow. The warning triggers at 3, so we only need to know if it's more than 3 or not.
+			{
+				$this->lock_count++;
+			}
 			$this->next_run = \IPS\DateTime::create()->add( new \DateInterval( $this->frequency ) )->getTimestamp();
 			$this->save();
 			$this->cleanup();